⚠ Exploited in the wild
Exploitation observed in the wild. Not yet on CISA KEV.

CVE-2024-4741Use After Free in Openssl

CWE-416Use After Free17 documents9 sources
Severity
7.5HIGHNVD
OSV7.4OSV5.9
EPSS
0.4%
top 41.85%
CISA KEV
Not in KEV
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedNov 13
Latest updateNov 28

Description

Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, crashes or execution of arbitrary code. However, only applications that directly call the SSL_free_buffers function are affected by this issue. Applications that do not call this function are not vulnerable. Our investigations indicate that th

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages13 packages

debiandebian/openssl< openssl 3.0.14-1~deb12u1 (bookworm)
CVEListV5openssl/openssl3.3.03.3.1+4
Alpineopenssl/openssl< 3.0.14-r0+6
Debianopenssl/openssl< 1.1.1w-0+deb11u2+3
Ubuntuopenssl/openssl< 1.1.1f-1ubuntu2.23+2

🔴Vulnerability Details

6
OSV
edk2 regression2025-11-28
OSV
edk2 vulnerabilities2025-11-26
OSV
CVE-2024-4741: Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact s2024-11-13
OSV
CVE-2024-4741: Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact2024-11-13
GHSA
GHSA-6vgq-8qjq-h578: Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact2024-11-13

📋Vendor Advisories

10
Ubuntu
EDK II regression2025-11-28
Ubuntu
EDK II vulnerabilities2025-11-26
CISA ICS
Siemens SCALANCE W7002025-02-13
CISA ICS
Siemens SINEC INS2024-11-14
CISA ICS
Siemens SCALANCE M-800 Family2024-11-14
CVE-2024-4741 — Use After Free in Openssl | cvebase